Finding the Fourth Proportional to 102,671.07, 154,018.88 and 39,476.49
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Solution
The fourth proportional to 102,671.07, 154,018.88 and 39,476.49 is: 59,219.45
Step by Step Solution
- Step 1: Write the proportion equation
102,671.07 : 154,018.88 = 39,476.49 : x - Step 2: Convert to fraction form
102,671.07/154,018.88 = 39,476.49/x - Step 3: Cross multiply
102,671.07x = 154,018.88 × 39,476.49 - Step 4: Simplify right side
102,671.07x = 6,080,124,776.13 - Step 5: Solve for x
x = 6,080,124,776.13/102,671.07 - Step 6: Final answer
x = 59,219.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.